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Generation III Internal Engine 1997-2006 LS1 | LS6
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stock head gasket size?

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Old 05-31-2008, 12:58 PM
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Default stock head gasket size?
whats the stock bore and compressed thickness of a 2000 ls1 head gasket?
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Old 05-31-2008, 01:00 PM
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and what size bore can i use on a stock bore ls1 safely?
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Old 05-31-2008, 07:44 PM
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GM MLS gasket

Gasket Bore: 3.905
Compressed gasket thickness: .053
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Old 05-31-2008, 11:58 PM
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Not that it matters much but I was always under the impression stock MLS was .054 compressed
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Old 06-01-2008, 09:50 AM
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sweet thanks. so i should be able to run a 3.990 no problem then im guessing
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